Feather & Bird Encyclopedia
Search and identify feathers by species — with feather type, plumage, colours, size, habitat, and how to tell them apart in the field.

Common Eider
The Common Eider is a large, heavy-bodied sea duck whose male shows a striking white back and breast against a black belly and crown, with a distinctive sloping bill-and-head profile.
waterfowl
King Eider
The King Eider is a large arctic sea duck whose male combines a colorful blue-gray and pale green head with a black body and white breast, topped by an orange bill shield.
waterfowl
Steller's Eider
Steller's Eider is the smallest of the eiders, a compact sea duck whose male shows a white head with a bold black eye patch, warm cinnamon underparts, and a glossy blue wing patch.
waterfowl
Spectacled Eider
The Spectacled Eider is a large, localized arctic sea duck named for the male's bold white, black-rimmed eye patches that give the appearance of goggles set against a pale green head.
waterfowl
Ruddy Duck
The Ruddy Duck is a small, compact stiff-tailed duck best known for its stiff, often upright tail feathers and, in breeding males, a vivid rufous body set off by a black cap and white cheek.
waterfowl
Pacific Black Duck
The Pacific Black Duck is a mottled dark brown dabbling duck with a distinctive pale face crossed by dark eye stripes, common on wetlands across Australia and the Pacific.
waterfowl
Knob-billed Duck
A large, glossy black-and-white duck of tropical wetlands, best known for the fleshy black knob or comb that swells atop the breeding male's bill.
waterfowl
Long-tailed Duck
The Long-tailed Duck is a distinctive sea duck known for the male's elongated central tail feathers and an unusually complex sequence of plumages that change more often than in any other duck.
waterfowl
Common Snipe
The Eurasian counterpart of Wilson's Snipe, sharing the same superb camouflage pattern and winnowing tail-feather display, distinguished mainly by subtle wing and tail feather details assessable in the hand.
shorebird
Common Scoter
The Common Scoter is the Eurasian counterpart of the Black Scoter, a sea duck whose breeding male is entirely black apart from a yellow-orange patch along the ridge of the bill.
waterfowl
Common Merganser
The Common Merganser is a large, sleek fish-eating duck whose male combines a glossy dark green head with an almost entirely white body faintly tinged pink.
waterfowl
Common Yellowthroat
A small, skulking warbler best known for the male's bold black facial mask bordered in white, paired with a bright yellow throat.
songbird
Common Gull
A neat, medium-sized gull of Europe and Asia known as Mew Gull in North American populations, the Common Gull shows pale gray back feathers, black wingtips with white spots, and a gentle, rounded head shape.
seabird
Common Pochard
The Common Pochard is a Eurasian diving duck notable for the male's warm chestnut head and contrasting black breast, set against a pale, finely patterned gray body.
waterfowl
Common Goldeneye
The Common Goldeneye is a striking black-and-white diving duck named for its piercing golden-yellow eye, with males showing a round white spot on an otherwise glossy dark green head.
waterfowl
Common Shelduck
A boldly patterned, goose-sized duck with a crisp white body, a glossy dark green head, a broad chestnut band across the breast and back, and solid black flight feathers.
waterfowl
Common Redpoll
A small, hardy northern finch with a red cap and black chin, known for irruptive winter movements into temperate regions at feeders.
songbird
Common Kestrel
The Common Kestrel is a small falcon best known for its ability to hover in place while hunting, with long pointed wings and a distinctive tail that is blue-grey with a black band in males but barred rufous-brown in females.
raptor
Common Chiffchaff
A tiny, plain olive-brown warbler best known by its song, with dark legs and only faint facial markings — one of the least boldly patterned small European songbirds.
songbird
Gadwall
A subtly patterned grey dabbling duck best known for a crisp white speculum patch and, in males, a bold black rear end, both visible even on a single found feather.
waterfowl
Eurasian Curlew
Europe and Asia's largest curlew, with a long downcurved bill and streaky grayish-brown plumage, best known for its evocative bubbling call across moorlands and mudflats.
shorebird
Australian Raven
A large, widespread Australian raven known for long, shaggy throat hackle feathers and a distinctive mournful, drawn-out call.
corvid
Eurasian Scops Owl
The Eurasian Scops Owl is a small, migratory owl of southern Europe and parts of Asia, known for its cryptic bark-patterned plumage and a monotonous, far-carrying whistled call.
owl
Red-breasted Merganser
The Red-breasted Merganser is a slim, crested fish-eating duck with a shaggy double crest and a streaked rusty breast that sets it apart from its Common Merganser relative.
waterfowl